[STM32][explorer] 增加ROMFS根文件系统

6 files changed, 363 insertions, 111 deletions

diff --git a/bsp/stm32/stm32f407-atk-explorer/.config b/bsp/stm32/stm32f407-atk-explorer/.config
index c0f04a426b..bae0b7cdfd 100644
--- a/bsp/stm32/stm32f407-atk-explorer/.config
+++ b/bsp/stm32/stm32f407-atk-explorer/.config
@@ -21,6 +21,12 @@ CONFIG_RT_USING_IDLE_HOOK=y
 CONFIG_RT_IDLE_HOOK_LIST_SIZE=4
 CONFIG_IDLE_THREAD_STACK_SIZE=1024
 # CONFIG_RT_USING_TIMER_SOFT is not set
+
+#
+# kservice optimization
+#
+# CONFIG_RT_KSERVICE_USING_STDLIB is not set
+# CONFIG_RT_KSERVICE_USING_TINY_SIZE is not set
 CONFIG_RT_DEBUG=y
 CONFIG_RT_DEBUG_COLOR=y
 # CONFIG_RT_DEBUG_INIT_CONFIG is not set
@@ -52,6 +58,7 @@ CONFIG_RT_USING_MEMPOOL=y
 # CONFIG_RT_USING_NOHEAP is not set
 CONFIG_RT_USING_SMALL_MEM=y
 # CONFIG_RT_USING_SLAB is not set
+# CONFIG_RT_USING_USERHEAP is not set
 # CONFIG_RT_USING_MEMTRACE is not set
 CONFIG_RT_USING_HEAP=y
 
@@ -64,7 +71,8 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
-CONFIG_RT_VER_NUM=0x40002
+# CONFIG_RT_PRINTF_LONGLONG is not set
+CONFIG_RT_VER_NUM=0x40004
 CONFIG_ARCH_ARM=y
 CONFIG_RT_USING_CPU_FFS=y
 CONFIG_ARCH_ARM_CORTEX_M=y
@@ -115,18 +123,21 @@ CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_PIPE_BUFSZ=512
 # CONFIG_RT_USING_SYSTEM_WORKQUEUE is not set
 CONFIG_RT_USING_SERIAL=y
+CONFIG_RT_USING_SERIAL_V1=y
+# CONFIG_RT_USING_SERIAL_V2 is not set
 CONFIG_RT_SERIAL_USING_DMA=y
 CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_CAN is not set
 # CONFIG_RT_USING_HWTIMER is not set
 # CONFIG_RT_USING_CPUTIME is not set
 # CONFIG_RT_USING_I2C is not set
+# CONFIG_RT_USING_PHY is not set
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_ADC is not set
+# CONFIG_RT_USING_DAC is not set
 # CONFIG_RT_USING_PWM is not set
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
-# CONFIG_RT_USING_MTD is not set
 # CONFIG_RT_USING_PM is not set
 # CONFIG_RT_USING_RTC is not set
 # CONFIG_RT_USING_SDIO is not set
@@ -134,15 +145,10 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
 # CONFIG_RT_USING_SENSOR is not set
-
-#
-# Using Hardware Crypto drivers
-#
+# CONFIG_RT_USING_TOUCH is not set
 # CONFIG_RT_USING_HWCRYPTO is not set
-
-#
-# Using WiFi
-#
+# CONFIG_RT_USING_PULSE_ENCODER is not set
+# CONFIG_RT_USING_INPUT_CAPTURE is not set
 # CONFIG_RT_USING_WIFI is not set
 
 #
@@ -156,6 +162,8 @@ CONFIG_RT_USING_PIN=y
 #
 # CONFIG_RT_USING_LIBC is not set
 # CONFIG_RT_USING_PTHREADS is not set
+CONFIG_RT_LIBC_USING_TIME=y
+CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 
 #
 # Network
@@ -177,11 +185,6 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_LWIP is not set
 
 #
-# Modbus master and slave stack
-#
-# CONFIG_RT_USING_MODBUS is not set
-
-#
 # AT commands
 #
 # CONFIG_RT_USING_AT is not set
@@ -197,23 +200,35 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_RYM is not set
 # CONFIG_RT_USING_ULOG is not set
 # CONFIG_RT_USING_UTEST is not set
+# CONFIG_RT_USING_RT_LINK is not set
 # CONFIG_RT_USING_LWP is not set
 
 #
+# RT-Thread Utestcases
+#
+# CONFIG_RT_USING_UTESTCASES is not set
+
+#
 # RT-Thread online packages
 #
 
 #
 # IoT - internet of things
 #
+# CONFIG_PKG_USING_LORAWAN_DRIVER is not set
 # CONFIG_PKG_USING_PAHOMQTT is not set
+# CONFIG_PKG_USING_UMQTT is not set
 # CONFIG_PKG_USING_WEBCLIENT is not set
 # CONFIG_PKG_USING_WEBNET is not set
 # CONFIG_PKG_USING_MONGOOSE is not set
+# CONFIG_PKG_USING_MYMQTT is not set
+# CONFIG_PKG_USING_KAWAII_MQTT is not set
+# CONFIG_PKG_USING_BC28_MQTT is not set
 # CONFIG_PKG_USING_WEBTERMINAL is not set
 # CONFIG_PKG_USING_CJSON is not set
 # CONFIG_PKG_USING_JSMN is not set
 # CONFIG_PKG_USING_LIBMODBUS is not set
+# CONFIG_PKG_USING_FREEMODBUS is not set
 # CONFIG_PKG_USING_LJSON is not set
 # CONFIG_PKG_USING_EZXML is not set
 # CONFIG_PKG_USING_NANOPB is not set
@@ -235,6 +250,8 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
+# CONFIG_PKG_USING_CMUX is not set
+# CONFIG_PKG_USING_PPP_DEVICE is not set
 # CONFIG_PKG_USING_AT_DEVICE is not set
 # CONFIG_PKG_USING_ATSRV_SOCKET is not set
 # CONFIG_PKG_USING_WIZNET is not set
@@ -246,12 +263,38 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_GAGENT_CLOUD is not set
 # CONFIG_PKG_USING_ALI_IOTKIT is not set
 # CONFIG_PKG_USING_AZURE is not set
-# CONFIG_PKG_USING_TENCENT_IOTKIT is not set
+# CONFIG_PKG_USING_TENCENT_IOT_EXPLORER is not set
+# CONFIG_PKG_USING_JIOT-C-SDK is not set
+# CONFIG_PKG_USING_UCLOUD_IOT_SDK is not set
+# CONFIG_PKG_USING_JOYLINK is not set
 # CONFIG_PKG_USING_NIMBLE is not set
 # CONFIG_PKG_USING_OTA_DOWNLOADER is not set
 # CONFIG_PKG_USING_IPMSG is not set
 # CONFIG_PKG_USING_LSSDP is not set
 # CONFIG_PKG_USING_AIRKISS_OPEN is not set
+# CONFIG_PKG_USING_LIBRWS is not set
+# CONFIG_PKG_USING_TCPSERVER is not set
+# CONFIG_PKG_USING_PROTOBUF_C is not set
+# CONFIG_PKG_USING_DLT645 is not set
+# CONFIG_PKG_USING_QXWZ is not set
+# CONFIG_PKG_USING_SMTP_CLIENT is not set
+# CONFIG_PKG_USING_ABUP_FOTA is not set
+# CONFIG_PKG_USING_LIBCURL2RTT is not set
+# CONFIG_PKG_USING_CAPNP is not set
+# CONFIG_PKG_USING_RT_CJSON_TOOLS is not set
+# CONFIG_PKG_USING_AGILE_TELNET is not set
+# CONFIG_PKG_USING_NMEALIB is not set
+# CONFIG_PKG_USING_AGILE_JSMN is not set
+# CONFIG_PKG_USING_PDULIB is not set
+# CONFIG_PKG_USING_BTSTACK is not set
+# CONFIG_PKG_USING_LORAWAN_ED_STACK is not set
+# CONFIG_PKG_USING_WAYZ_IOTKIT is not set
+# CONFIG_PKG_USING_MAVLINK is not set
+# CONFIG_PKG_USING_RAPIDJSON is not set
+# CONFIG_PKG_USING_BSAL is not set
+# CONFIG_PKG_USING_AGILE_MODBUS is not set
+# CONFIG_PKG_USING_AGILE_FTP is not set
+# CONFIG_PKG_USING_EMBEDDEDPROTO is not set
 
 #
 # security packages
@@ -259,6 +302,8 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_MBEDTLS is not set
 # CONFIG_PKG_USING_libsodium is not set
 # CONFIG_PKG_USING_TINYCRYPT is not set
+# CONFIG_PKG_USING_TFM is not set
+# CONFIG_PKG_USING_YD_CRYPTO is not set
 
 #
 # language packages
@@ -273,6 +318,13 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_OPENMV is not set
 # CONFIG_PKG_USING_MUPDF is not set
 # CONFIG_PKG_USING_STEMWIN is not set
+# CONFIG_PKG_USING_WAVPLAYER is not set
+# CONFIG_PKG_USING_TJPGD is not set
+# CONFIG_PKG_USING_PDFGEN is not set
+# CONFIG_PKG_USING_HELIX is not set
+# CONFIG_PKG_USING_AZUREGUIX is not set
+# CONFIG_PKG_USING_TOUCHGFX2RTT is not set
+# CONFIG_PKG_USING_NUEMWIN is not set
 
 #
 # tools packages
@@ -284,7 +336,36 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_RDB is not set
 # CONFIG_PKG_USING_QRCODE is not set
 # CONFIG_PKG_USING_ULOG_EASYFLASH is not set
+# CONFIG_PKG_USING_ULOG_FILE is not set
+# CONFIG_PKG_USING_LOGMGR is not set
 # CONFIG_PKG_USING_ADBD is not set
+# CONFIG_PKG_USING_COREMARK is not set
+# CONFIG_PKG_USING_DHRYSTONE is not set
+# CONFIG_PKG_USING_MEMORYPERF is not set
+# CONFIG_PKG_USING_NR_MICRO_SHELL is not set
+# CONFIG_PKG_USING_CHINESE_FONT_LIBRARY is not set
+# CONFIG_PKG_USING_LUNAR_CALENDAR is not set
+# CONFIG_PKG_USING_BS8116A is not set
+# CONFIG_PKG_USING_GPS_RMC is not set
+# CONFIG_PKG_USING_URLENCODE is not set
+# CONFIG_PKG_USING_UMCN is not set
+# CONFIG_PKG_USING_LWRB2RTT is not set
+# CONFIG_PKG_USING_CPU_USAGE is not set
+# CONFIG_PKG_USING_GBK2UTF8 is not set
+# CONFIG_PKG_USING_VCONSOLE is not set
+# CONFIG_PKG_USING_KDB is not set
+# CONFIG_PKG_USING_WAMR is not set
+# CONFIG_PKG_USING_MICRO_XRCE_DDS_CLIENT is not set
+# CONFIG_PKG_USING_LWLOG is not set
+# CONFIG_PKG_USING_ANV_TRACE is not set
+# CONFIG_PKG_USING_ANV_MEMLEAK is not set
+# CONFIG_PKG_USING_ANV_TESTSUIT is not set
+# CONFIG_PKG_USING_ANV_BENCH is not set
+# CONFIG_PKG_USING_DEVMEM is not set
+# CONFIG_PKG_USING_REGEX is not set
+# CONFIG_PKG_USING_MEM_SANDBOX is not set
+# CONFIG_PKG_USING_SOLAR_TERMS is not set
+# CONFIG_PKG_USING_GAN_ZHI is not set
 
 #
 # system packages
@@ -293,16 +374,47 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_PERSIMMON is not set
 # CONFIG_PKG_USING_CAIRO is not set
 # CONFIG_PKG_USING_PIXMAN is not set
-# CONFIG_PKG_USING_LWEXT4 is not set
 # CONFIG_PKG_USING_PARTITION is not set
 # CONFIG_PKG_USING_FAL is not set
+# CONFIG_PKG_USING_FLASHDB is not set
 # CONFIG_PKG_USING_SQLITE is not set
 # CONFIG_PKG_USING_RTI is not set
 # CONFIG_PKG_USING_LITTLEVGL2RTT is not set
 # CONFIG_PKG_USING_CMSIS is not set
 # CONFIG_PKG_USING_DFS_YAFFS is not set
 # CONFIG_PKG_USING_LITTLEFS is not set
+# CONFIG_PKG_USING_DFS_JFFS2 is not set
+# CONFIG_PKG_USING_DFS_UFFS is not set
+# CONFIG_PKG_USING_LWEXT4 is not set
 # CONFIG_PKG_USING_THREAD_POOL is not set
+# CONFIG_PKG_USING_ROBOTS is not set
+# CONFIG_PKG_USING_EV is not set
+# CONFIG_PKG_USING_SYSWATCH is not set
+# CONFIG_PKG_USING_SYS_LOAD_MONITOR is not set
+# CONFIG_PKG_USING_PLCCORE is not set
+# CONFIG_PKG_USING_RAMDISK is not set
+# CONFIG_PKG_USING_MININI is not set
+# CONFIG_PKG_USING_QBOOT is not set
+
+#
+# Micrium: Micrium software products porting for RT-Thread
+#
+# CONFIG_PKG_USING_UCOSIII_WRAPPER is not set
+# CONFIG_PKG_USING_UCOSII_WRAPPER is not set
+# CONFIG_PKG_USING_UC_CRC is not set
+# CONFIG_PKG_USING_UC_CLK is not set
+# CONFIG_PKG_USING_UC_COMMON is not set
+# CONFIG_PKG_USING_UC_MODBUS is not set
+# CONFIG_PKG_USING_PPOOL is not set
+# CONFIG_PKG_USING_OPENAMP is not set
+# CONFIG_PKG_USING_RT_KPRINTF_THREADSAFE is not set
+# CONFIG_PKG_USING_RT_MEMCPY_CM is not set
+# CONFIG_PKG_USING_QFPLIB_M0_FULL is not set
+# CONFIG_PKG_USING_QFPLIB_M0_TINY is not set
+# CONFIG_PKG_USING_QFPLIB_M3 is not set
+# CONFIG_PKG_USING_LPM is not set
+# CONFIG_PKG_USING_TLSF is not set
+# CONFIG_PKG_USING_EVENT_RECORDER is not set
 
 #
 # peripheral libraries and drivers
@@ -310,7 +422,8 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_SENSORS_DRIVERS is not set
 # CONFIG_PKG_USING_REALTEK_AMEBA is not set
 # CONFIG_PKG_USING_SHT2X is not set
-# CONFIG_PKG_USING_AP3216C is not set
+# CONFIG_PKG_USING_SHT3X is not set
+# CONFIG_PKG_USING_AS7341 is not set
 # CONFIG_PKG_USING_STM32_SDIO is not set
 # CONFIG_PKG_USING_ICM20608 is not set
 # CONFIG_PKG_USING_U8G2 is not set
@@ -319,15 +432,70 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_SX12XX is not set
 # CONFIG_PKG_USING_SIGNAL_LED is not set
 # CONFIG_PKG_USING_LEDBLINK is not set
+# CONFIG_PKG_USING_LITTLED is not set
+# CONFIG_PKG_USING_LKDGUI is not set
+# CONFIG_PKG_USING_NRF5X_SDK is not set
+# CONFIG_PKG_USING_NRFX is not set
 # CONFIG_PKG_USING_WM_LIBRARIES is not set
 # CONFIG_PKG_USING_KENDRYTE_SDK is not set
 # CONFIG_PKG_USING_INFRARED is not set
 # CONFIG_PKG_USING_ROSSERIAL is not set
+# CONFIG_PKG_USING_AGILE_BUTTON is not set
+# CONFIG_PKG_USING_AGILE_LED is not set
 # CONFIG_PKG_USING_AT24CXX is not set
 # CONFIG_PKG_USING_MOTIONDRIVER2RTT is not set
 # CONFIG_PKG_USING_AD7746 is not set
 # CONFIG_PKG_USING_PCA9685 is not set
 # CONFIG_PKG_USING_I2C_TOOLS is not set
+# CONFIG_PKG_USING_NRF24L01 is not set
+# CONFIG_PKG_USING_TOUCH_DRIVERS is not set
+# CONFIG_PKG_USING_MAX17048 is not set
+# CONFIG_PKG_USING_RPLIDAR is not set
+# CONFIG_PKG_USING_AS608 is not set
+# CONFIG_PKG_USING_RC522 is not set
+# CONFIG_PKG_USING_WS2812B is not set
+# CONFIG_PKG_USING_EMBARC_BSP is not set
+# CONFIG_PKG_USING_EXTERN_RTC_DRIVERS is not set
+# CONFIG_PKG_USING_MULTI_RTIMER is not set
+# CONFIG_PKG_USING_MAX7219 is not set
+# CONFIG_PKG_USING_BEEP is not set
+# CONFIG_PKG_USING_EASYBLINK is not set
+# CONFIG_PKG_USING_PMS_SERIES is not set
+# CONFIG_PKG_USING_CAN_YMODEM is not set
+# CONFIG_PKG_USING_LORA_RADIO_DRIVER is not set
+# CONFIG_PKG_USING_QLED is not set
+# CONFIG_PKG_USING_PAJ7620 is not set
+# CONFIG_PKG_USING_AGILE_CONSOLE is not set
+# CONFIG_PKG_USING_LD3320 is not set
+# CONFIG_PKG_USING_WK2124 is not set
+# CONFIG_PKG_USING_LY68L6400 is not set
+# CONFIG_PKG_USING_DM9051 is not set
+# CONFIG_PKG_USING_SSD1306 is not set
+# CONFIG_PKG_USING_QKEY is not set
+# CONFIG_PKG_USING_RS485 is not set
+# CONFIG_PKG_USING_NES is not set
+# CONFIG_PKG_USING_VIRTUAL_SENSOR is not set
+# CONFIG_PKG_USING_VDEVICE is not set
+# CONFIG_PKG_USING_SGM706 is not set
+# CONFIG_PKG_USING_STM32WB55_SDK is not set
+# CONFIG_PKG_USING_RDA58XX is not set
+# CONFIG_PKG_USING_LIBNFC is not set
+# CONFIG_PKG_USING_MFOC is not set
+# CONFIG_PKG_USING_TMC51XX is not set
+# CONFIG_PKG_USING_TCA9534 is not set
+
+#
+# AI packages
+#
+# CONFIG_PKG_USING_LIBANN is not set
+# CONFIG_PKG_USING_NNOM is not set
+# CONFIG_PKG_USING_ONNX_BACKEND is not set
+# CONFIG_PKG_USING_ONNX_PARSER is not set
+# CONFIG_PKG_USING_TENSORFLOWLITEMICRO is not set
+# CONFIG_PKG_USING_ELAPACK is not set
+# CONFIG_PKG_USING_ULAPACK is not set
+# CONFIG_PKG_USING_QUEST is not set
+# CONFIG_PKG_USING_NAXOS is not set
 
 #
 # miscellaneous packages
@@ -337,13 +505,18 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_FASTLZ is not set
 # CONFIG_PKG_USING_MINILZO is not set
 # CONFIG_PKG_USING_QUICKLZ is not set
+# CONFIG_PKG_USING_LZMA is not set
 # CONFIG_PKG_USING_MULTIBUTTON is not set
+# CONFIG_PKG_USING_FLEXIBLE_BUTTON is not set
 # CONFIG_PKG_USING_CANFESTIVAL is not set
 # CONFIG_PKG_USING_ZLIB is not set
+# CONFIG_PKG_USING_MINIZIP is not set
 # CONFIG_PKG_USING_DSTR is not set
 # CONFIG_PKG_USING_TINYFRAME is not set
 # CONFIG_PKG_USING_KENDRYTE_DEMO is not set
 # CONFIG_PKG_USING_DIGITALCTRL is not set
+# CONFIG_PKG_USING_UPACKER is not set
+# CONFIG_PKG_USING_UPARAM is not set
 
 #
 # samples: kernel and components samples
@@ -354,7 +527,25 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
 # CONFIG_PKG_USING_HELLO is not set
 # CONFIG_PKG_USING_VI is not set
-# CONFIG_PKG_USING_NNOM is not set
+# CONFIG_PKG_USING_KI is not set
+# CONFIG_PKG_USING_ARMv7M_DWT is not set
+# CONFIG_PKG_USING_VT100 is not set
+# CONFIG_PKG_USING_UKAL is not set
+# CONFIG_PKG_USING_CRCLIB is not set
+
+#
+# entertainment: terminal games and other interesting software packages
+#
+# CONFIG_PKG_USING_THREES is not set
+# CONFIG_PKG_USING_2048 is not set
+# CONFIG_PKG_USING_SNAKE is not set
+# CONFIG_PKG_USING_TETRIS is not set
+# CONFIG_PKG_USING_DONUT is not set
+# CONFIG_PKG_USING_ACLOCK is not set
+# CONFIG_PKG_USING_LWGPS is not set
+# CONFIG_PKG_USING_STATE_MACHINE is not set
+# CONFIG_PKG_USING_MCURSES is not set
+# CONFIG_PKG_USING_COWSAY is not set
 CONFIG_SOC_FAMILY_STM32=y
 CONFIG_SOC_SERIES_STM32F4=y
 
@@ -369,11 +560,12 @@ CONFIG_SOC_STM32F407ZG=y
 CONFIG_BSP_USING_USB_TO_USART=y
 # CONFIG_BSP_USING_COM2 is not set
 # CONFIG_BSP_USING_COM3 is not set
+# CONFIG_BSP_USING_SRAM is not set
 # CONFIG_BSP_USING_SPI_FLASH is not set
 # CONFIG_BSP_USING_EEPROM is not set
 # CONFIG_BSP_USING_ETH is not set
 # CONFIG_BSP_USING_MPU6050 is not set
-# CONFIG_BSP_USING_SDCARD is not set
+# CONFIG_BSP_USING_FS is not set
 
 #
 # On-chip Peripheral Drivers
@@ -394,9 +586,17 @@ CONFIG_BSP_USING_UART1=y
 # CONFIG_BSP_USING_SPI is not set
 # CONFIG_BSP_USING_ADC is not set
 # CONFIG_BSP_USING_I2C1 is not set
+# CONFIG_BSP_USING_DAC is not set
 # CONFIG_BSP_USING_ONCHIP_RTC is not set
 # CONFIG_BSP_USING_WDT is not set
 # CONFIG_BSP_USING_SDIO is not set
+# CONFIG_BSP_USING_USBD is not set
+# CONFIG_BSP_USING_USBH is not set
+# CONFIG_BSP_USING_PULSE_ENCODER is not set
+# CONFIG_BSP_USING_EXT_FMC_IO is not set
+# CONFIG_BSP_USING_FMC is not set
+# CONFIG_BSP_USING_RNG is not set
+# CONFIG_BSP_USING_UDID is not set
 
 #
 # Board extended module Drivers
diff --git a/bsp/stm32/stm32f407-atk-explorer/board/Kconfig b/bsp/stm32/stm32f407-atk-explorer/board/Kconfig
index 4ee966382f..66a34d22bb 100644
--- a/bsp/stm32/stm32f407-atk-explorer/board/Kconfig
+++ b/bsp/stm32/stm32f407-atk-explorer/board/Kconfig
@@ -71,18 +71,26 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_I2C1
         select PKG_USING_MPU6XXX
 
-    config BSP_USING_SDCARD
-        bool "Enable SDCARD (sdio)"
-        select BSP_USING_SDIO
+    menuconfig BSP_USING_FS
+        bool "Enable filesystem"
         select RT_USING_DFS
-        select RT_USING_DFS_ELMFAT
+        select RT_USING_DFS_ROMFS
         default n
 
-    config SDIO_MAX_FREQ
-        int "sdio max freq"
-        range 0 24000000
-        depends on BSP_USING_SDCARD
-        default 1000000
+        if BSP_USING_FS
+            config BSP_USING_SDCARD
+                bool "Enable SDCARD (FATFS)"
+                select BSP_USING_SDIO
+                select RT_USING_DFS
+                select RT_USING_DFS_ELMFAT
+                default n
+
+            config SDIO_MAX_FREQ
+                int "sdio max freq"
+                range 0 24000000
+                depends on BSP_USING_SDCARD
+                default 1000000
+        endif
 
 endmenu
 
diff --git a/bsp/stm32/stm32f407-atk-explorer/board/SConscript b/bsp/stm32/stm32f407-atk-explorer/board/SConscript
index e97905718f..64b8ab3f41 100644
--- a/bsp/stm32/stm32f407-atk-explorer/board/SConscript
+++ b/bsp/stm32/stm32f407-atk-explorer/board/SConscript
@@ -18,8 +18,8 @@ if GetDepend(['BSP_USING_ETH']):
 if GetDepend(['BSP_USING_SPI_FLASH']):
     src += Glob('ports/spi_flash_init.c')
 
-if GetDepend(['BSP_USING_SDCARD']):
-    src += Glob('ports/drv_sdcard.c')
+if GetDepend(['BSP_USING_FS']):
+    src += Glob('ports/drv_filesystem.c')
 
 if GetDepend(['BSP_USING_SRAM']):
     src += Glob('ports/drv_sram.c')
diff --git a/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_filesystem.c b/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_filesystem.c
new file mode 100644
index 0000000000..a8b36da2e1
--- /dev/null
+++ b/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_filesystem.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2018-12-13     balanceTWK   add sdcard port file
+ * 2021-05-10     Meco Man     fix a bug that cannot use fatfs in the main thread at starting up
+ * 2021-07-28     Meco Man     implement romfs as the root filesystem
+ */
+
+#include <rtthread.h>
+
+#ifdef BSP_USING_FS
+#include <dfs_romfs.h>
+#include <dfs_fs.h>
+#include <dfs_posix.h>
+
+#if DFS_FILESYSTEMS_MAX < 4
+#error "Please define DFS_FILESYSTEMS_MAX more than 4"
+#endif
+#if DFS_FILESYSTEM_TYPES_MAX < 4
+#error "Please define DFS_FILESYSTEM_TYPES_MAX more than 4"
+#endif
+
+#define DBG_TAG "app.filesystem"
+#define DBG_LVL DBG_INFO
+#include <rtdbg.h>
+
+#ifdef BSP_USING_SDCARD
+static void sd_mount(void *parameter)
+{
+    while (1)
+    {
+        rt_thread_mdelay(500);
+        if(rt_device_find("sd0") != RT_NULL)
+        {
+            if (dfs_mount("sd0", "/sdcard", "elm", 0, 0) == RT_EOK)
+            {
+                LOG_I("sd card mount to '/sdcard'");
+                break;
+            }
+            else
+            {
+                LOG_W("sd card mount to '/sdcard' failed!");
+            }
+        }
+    }
+}
+
+static int onboard_sdcard_mount(void)
+{
+    rt_thread_t tid;
+
+    if (dfs_mount("sd0", "/sdcard", "elm", 0, 0) == RT_EOK)
+    {
+        LOG_I("sd card mount to '/sdcard'");
+    }
+    else
+    {
+        tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
+                               1024, RT_THREAD_PRIORITY_MAX - 2, 20);
+        if (tid != RT_NULL)
+        {
+            rt_thread_startup(tid);
+        }
+        else
+        {
+            LOG_E("create sd_mount thread err!");
+        }
+    }
+
+    return RT_EOK;
+}
+#endif
+
+static const struct romfs_dirent _romfs_root[] =
+{
+#ifdef BSP_USING_SDCARD
+    {ROMFS_DIRENT_DIR, "sdcard", RT_NULL, 0},
+#endif
+//  {ROMFS_DIRENT_DIR, "flash", RT_NULL, 0},
+};
+
+const struct romfs_dirent romfs_root =
+{
+    ROMFS_DIRENT_DIR, "/", (rt_uint8_t *)_romfs_root, sizeof(_romfs_root) / sizeof(_romfs_root[0])
+};
+
+static int filesystem_mount(void)
+{
+    if (dfs_mount(RT_NULL, "/", "rom", 0, &(romfs_root)) != 0)
+    {
+        LOG_E("rom mount to '/' failed!");
+    }
+#ifdef BSP_USING_SDCARD
+    onboard_sdcard_mount();
+#endif
+
+    return RT_EOK;
+}
+INIT_APP_EXPORT(filesystem_mount);
+
+#endif /* BSP_USING_FS */
diff --git a/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_sdcard.c b/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_sdcard.c
deleted file mode 100644
index 4ad71158f4..0000000000
--- a/bsp/stm32/stm32f407-atk-explorer/board/ports/drv_sdcard.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2018-12-13     balanceTWK   add sdcard port file
- * 2021-05-10     Meco Man     fix a bug that cannot use fatfs in the main thread at starting up
- */
-
-#include <rtthread.h>
-
-#ifdef BSP_USING_SDCARD
-
-#include <dfs_elm.h>
-#include <dfs_fs.h>
-#include <dfs_posix.h>
-
-#define DBG_TAG "app.card"
-#define DBG_LVL DBG_INFO
-#include <rtdbg.h>
-
-static void sd_mount(void *parameter)
-{
-    while (1)
-    {
-        rt_thread_mdelay(500);
-        if(rt_device_find("sd0") != RT_NULL)
-        {
-            if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
-            {
-                LOG_I("sd card mount to '/'");
-                break;
-            }
-            else
-            {
-                LOG_W("sd card mount to '/' failed!");
-            }
-        }
-    }
-}
-
-static int onboard_sdcard_mount(void)
-{
-    rt_thread_t tid;
-
-    if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
-    {
-        LOG_I("sd card mount to '/'");
-    }
-    else
-    {
-        tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
-                               1024, RT_THREAD_PRIORITY_MAX - 2, 20);
-        if (tid != RT_NULL)
-        {
-            rt_thread_startup(tid);
-        }
-        else
-        {
-            LOG_E("create sd_mount thread err!");
-        }
-    }
-
-    return RT_EOK;
-}
-INIT_APP_EXPORT(onboard_sdcard_mount);
-
-#endif /* BSP_USING_SDCARD */
diff --git a/bsp/stm32/stm32f407-atk-explorer/rtconfig.h b/bsp/stm32/stm32f407-atk-explorer/rtconfig.h
index 35192cf5cb..abac617fcc 100644
--- a/bsp/stm32/stm32f407-atk-explorer/rtconfig.h
+++ b/bsp/stm32/stm32f407-atk-explorer/rtconfig.h
@@ -16,6 +16,9 @@
 #define RT_USING_IDLE_HOOK
 #define RT_IDLE_HOOK_LIST_SIZE 4
 #define IDLE_THREAD_STACK_SIZE 1024
+
+/* kservice optimization */
+
 #define RT_DEBUG
 #define RT_DEBUG_COLOR
 
@@ -39,7 +42,7 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart1"
-#define RT_VER_NUM 0x40002
+#define RT_VER_NUM 0x40004
 #define ARCH_ARM
 #define RT_USING_CPU_FFS
 #define ARCH_ARM_CORTEX_M
@@ -79,21 +82,18 @@
 #define RT_USING_DEVICE_IPC
 #define RT_PIPE_BUFSZ 512
 #define RT_USING_SERIAL
+#define RT_USING_SERIAL_V1
 #define RT_SERIAL_USING_DMA
 #define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
 
-/* Using Hardware Crypto drivers */
-
-
-/* Using WiFi */
-
-
 /* Using USB */
 
 
 /* POSIX layer and C standard library */
 
+#define RT_LIBC_USING_TIME
+#define RT_LIBC_DEFAULT_TIMEZONE 8
 
 /* Network */
 
@@ -106,9 +106,6 @@
 /* light weight TCP/IP stack */
 
 
-/* Modbus master and slave stack */
-
-
 /* AT commands */
 
 
@@ -118,6 +115,9 @@
 /* Utilities */
 
 
+/* RT-Thread Utestcases */
+
+
 /* RT-Thread online packages */
 
 /* IoT - internet of things */
@@ -149,14 +149,23 @@
 /* system packages */
 
 
+/* Micrium: Micrium software products porting for RT-Thread */
+
+
 /* peripheral libraries and drivers */
 
 
+/* AI packages */
+
+
 /* miscellaneous packages */
 
 
 /* samples: kernel and components samples */
 
+
+/* entertainment: terminal games and other interesting software packages */
+
 #define SOC_FAMILY_STM32
 #define SOC_SERIES_STM32F4